/****************************************************************************
 *
 * Copyright 2016 Samsung Electronics All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific
 * language governing permissions and limitations under the License.
 *
 ****************************************************************************/

/*****************************************************************************
* ipcp.h -  PPP IP NCP: Internet Protocol Network Control Protocol header file.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* portions Copyright (c) 1997 Global Election Systems Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
*   Ported to lwIP.
* 97-12-04 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
*   Original derived from BSD codes.
*****************************************************************************/
/*
 * ipcp.h - IP Control Protocol definitions.
 *
 * Copyright (c) 1989 Carnegie Mellon University.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by Carnegie Mellon University.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * $Id: ipcp.h,v 1.4 2010/01/18 20:49:43 goldsimon Exp $
 */

#ifndef IPCP_H
#define IPCP_H

/*
 * Options.
 */
#define CI_ADDRS            1	/* IP Addresses */
#define CI_COMPRESSTYPE     2	/* Compression Type */
#define CI_ADDR             3

#define CI_MS_DNS1          129	/* Primary DNS value */
#define CI_MS_WINS1         128	/* Primary WINS value */
#define CI_MS_DNS2          131	/* Secondary DNS value */
#define CI_MS_WINS2         130	/* Secondary WINS value */

#define IPCP_VJMODE_OLD     1	/* "old" mode (option # = 0x0037) */
#define IPCP_VJMODE_RFC1172 2	/* "old-rfc"mode (option # = 0x002d) */
#define IPCP_VJMODE_RFC1332 3	/* "new-rfc"mode (option # = 0x002d, */
/*  maxslot and slot number compression) */

#define IPCP_VJ_COMP        0x002d	/* current value for VJ compression option */
#define IPCP_VJ_COMP_OLD    0x0037	/* "old" (i.e, broken) value for VJ */
/* compression option */

typedef struct ipcp_options {
	u_int neg_addr: 1;			/* Negotiate IP Address? */
	u_int old_addrs: 1;			/* Use old (IP-Addresses) option? */
	u_int req_addr: 1;			/* Ask peer to send IP address? */
	u_int default_route: 1;		/* Assign default route through interface? */
	u_int proxy_arp: 1;			/* Make proxy ARP entry for peer? */
	u_int neg_vj: 1;				/* Van Jacobson Compression? */
	u_int old_vj: 1;				/* use old (short) form of VJ option? */
	u_int accept_local: 1;		/* accept peer's value for ouraddr */
	u_int accept_remote: 1;		/* accept peer's value for hisaddr */
	u_int req_dns1: 1;			/* Ask peer to send primary DNS address? */
	u_int req_dns2: 1;			/* Ask peer to send secondary DNS address? */
	u_short vj_protocol;		/* protocol value to use in VJ option */
	u_char maxslotindex;		/* VJ slots - 1. */
	u_char cflag;				/* VJ slot compression flag. */
	u32_t ouraddr, hisaddr;		/* Addresses in NETWORK BYTE ORDER */
	u32_t dnsaddr[2];			/* Primary and secondary MS DNS entries */
	u32_t winsaddr[2];			/* Primary and secondary MS WINS entries */
} ipcp_options;

extern fsm ipcp_fsm[];
extern ipcp_options ipcp_wantoptions[];
extern ipcp_options ipcp_gotoptions[];
extern ipcp_options ipcp_allowoptions[];
extern ipcp_options ipcp_hisoptions[];

extern struct protent ipcp_protent;

#endif							/* IPCP_H */
